Not all codecs were ported at the same time, and then not enabled by default, and when enabled by default it was platform dependent, for others where it worked

Not all codecs were ported at the same time, and then not enabled by default, and when enabled by default it was platform dependent, for others where it worked FF was eating all possible CPU resources and videos were glitching. I remember this as I was using Debian and I was active on /r/firefox, where this [1] link was posted 10 times every day [1] https://www.youtube.com/html5 https://www.youtube.com/html5